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Fontbonne MAC 570 Exam Two Summer 2013




Question;Exam Two;MAC570;Accounting Information Systems;How You Will Be Graded;10 True-False (0.5 points each): 5 pts;30 Multiple Choice (1 points each): 30 pts;9 Short Answer (5 points each) 45 pts;8 Take-Home;Essays (15 points each): 120 pts;Total: 200 pts;True / False Questions (1 point each);1.;The database approach to data management is;sometimes called the flat file approach.;2.;A lockout;is a software control that prevents multiple users from simultaneous access to;data.;3. According;to the REA philosophy, information systems should support only the needs of;accounting professionals.;4. Modern;managers need both financial and nonfinancial information that traditional;GAAP-based accounting systems are incapable of providing.;5. The primary goal of installing an ERP system;is achieving business process reengineering to improve customer service, reduce;production time, increase productivity, and improve decision-making.;6. Organizations using ERP systems employ an;internal control tool called a role.;7. The network paradox is that networks exist to;provide user access to shared resources while one of its most important;objectives is to control access.;8. The rules that make it possible for users of;networks to communicate are called protocols.;9.;All of the steps in the Systems Development Life;Cycle apply to software that is developed in-house and to commercial software.;10. A;qualified opinion on management?s assessment of internal controls over the;financial reporting system necessitates a qualified opinion on the financial;statements?;Multiple Choice Questions (2 points;each);1. Which;of the following is not a problem usually associated with the flat-file;approach to data management?;a.;data redundancy;b.;restricting access to data to;the primary user;c.;data storage;d.;currency of information;2. The;deletion anomaly in unnormalized databases;a.;is easily detected by users;b.;may result in the loss of;important data;c.;complicates adding records to;the database;d.;requires the user to perform;excessive updates;3. Data;currency is preserved in a centralized database by;a.;partitioning the database;b.;using a lockout procedure;c.;replicating the database;d.;implementing concurrency;controls;4. Which;procedure will prevent two end users from accessing the same data element at;the same time?;a.;data redundancy;b.;data replication;c.;data lockout;d.;none of the above;5. A;replicated database is appropriate when;a.;there is minimal data sharing;among information processing units;b.;there exists a high degree of;data sharing and no primary user;c.;there is no risk of the;deadlock phenomenon;d.;most data sharing consists of;read-write transactions;6. Which;statement is NOT true? REA resources;are;a.;assets;b.;affected by support events;c.;scarce;d.;under the control of agents;7. The ?R?;in REA stands for;a.;ratios;b.;relationships;c.;resources;d.;reserves;8. The ?E?;in REA stands for;a.;events;b.;estimates;c.;economics;d.;entities;9. The ?A?;in REA stands for;a.;assets;b.;apportionment;c.;allocation;d.;agents;10. In an;REA model, events are described from the perspective of;a.;the organization;b.;the designer;c.;the user;d.;the customer;11. Goals of ERP include all of the following;except;a.;improved customer service;b.;improvements of legacy;systems;c.;reduced production time;d.;increased production;12. Which of the following statements is not;true?;a.;In a typical two-tier client;server system, the server handles both application and database duties.;b.;Client computers are;responsible for presenting data to the user and passing user input back to;the server.;c.;In three-tier client server;architecture, one tier is for user presentations, one is for database and;applications, and the third is for Internet access.;d.;The database and application;functions are separate in the three-tier model.;13. Auditors of ERP systems;a.;need not worry about;segregation of duties.;b.;may feel that the data;warehouse is too clean and free from errors.;c.;find independent verification;easy.;d.;need not worry about system;access since the ERP determines it.;14. Legacy systems are;a.;old manual systems that are;still in place.;b.;flat file mainframe systems;developed before client-server computing became standard.;c.;stable database systems after;debugging.;d.;advanced systems without a;data warehouse.;15. The setup of a data warehouse includes;a.;modeling the data;b.;extracting data from;operational databases;c.;cleansing the data;d.;all of the above;16. What do you call a system of computers that;connects the internal users of an organization that is distributed over a wide;geographic area?;a.;LAN;b.;decentralized network;c.;multidrop network;d.;Intranet;17. Network protocols fulfill all of the following;objectives except;a.;facilitate physical;connection between network devices;b.;provide a basis for error;checking and measuring network performance;c.;promote compatibility among;network devices;d.;result in inflexible;standards;18. The primary difference between a LAN and a;WAN is;a.;the geographical area covered;by the network;b.;the transmission technology;used;c.;the type of workstation used;d.;the size of the company;19. FTP;a.;is the document format used;to produce Web pages.;b.;controls Web browsers that;access the Web.;c.;is used to connect to Usenet;groups on the Internet;d.;is used to transfer text;files, programs, spreadsheets, and databases across the Internet.;e.;is a low-level encryption;scheme used to secure transmissions in higher-level () format.;20. An IP Address;a.;defines the path to a;facility or file on the web.;b.;is the unique address that;every computer node and host attached to the Internet must have.;c.;is represented by a 64-bit;data packet.;d.;is the address of the;protocol rules and standards that governing the design of internet hardware;and software.;e.;none of the above is true.;21. Examples of one-time costs include all of the;following except;a.;hardware acquisition;b.;insurance;c.;site preparation;d.;programming;22. Examples of recurring costs include;a.;software acquisition;b.;data conversion;c.;personnel costs;d.;systems design;23. A tangible benefit;a.;can be measured and expressed;in financial terms;b.;might increase revenues;c.;might decrease costs;d.;all of the above;24. The systems steering committee is responsible;for all of the following except;a.;assigning priorities;b.;determining whether and when;to terminate systems projects;c.;analyzing the technical feasibility;of the project;d.;budgeting funds for systems;development;25. The accountant?s role in systems analysis;includes all of the following except;a.;specify audit trail;requirements;b.;prepare data gathering;questionnaires;c.;suggest inclusion of advanced;audit features;d.;ensure mandated procedures;are part of the design;26. Which of the following is not an advantage of;commercial software? Commercial software;a.;can be installed faster than;a custom system;b.;can be easily modified to the;user?s exact specifications;c.;is significantly less;expensive than a system developed in-house;d.;is less likely to have errors;than an equivalent system developed in-house;27. Which step is least likely to occur when;choosing a commercial software package?;a.;a detailed review of the;source code;b.;contact with user groups;c.;preparation of a request for;proposal;d.;comparison of the results of;a benchmark problem;28. The output of the detailed design phase of;the Systems Development Life Cycle (SDLC) is a;a.;fully documented system;report;b.;systems selection report;c.;detailed system design report;d.;systems analysis report;29. There is often a conflict between the;attributes of;a.;timeliness and conciseness;b.;accuracy and timeliness;c.;relevance and summarization;d.;completeness and exceptions;orientation;30. Which is not true of direct data input forms?;a.;errors caused by;transcription are reduced;b.;calculations are;automatically performed on intelligent forms;c.;many data entry errors are;detected and corrected immediately;d.;workers who use direct data;input forms must be highly trained and skilled;Short Answer Questions (5 points;each);Instructions;Please answer each question fully. These are short answer questions that require;a few sentences to one paragraph to fully answer. Each response is worth 15 points.;1. How does the database approach solve the problem of data;redundancy?;2. Define resources, economic events, and agents.;3. Define;ERP.;4. Describe the three-tier client server;model.;5. What is a ping?;6. Explain;why accountants are interested in the legal feasibility of a new systems;project.;7. List;three advantages and one disadvantage of commercial software.;8. What;is the purpose of the Request for Proposal (RFP)?;9. Why should the tasks of systems;development and maintenance be segregated from operations?;Exam Two;Essays;Instructions;Please answer each question fully. These are essays and meant to be written in;several paragraphs. Each response is;worth 15 points.;1.;One purpose of a database system is the easy;sharing of data. But this ease of sharing can also jeopardize security. Discuss;at least three forms of access control designed to reduce this risk.;2.;Discuss the key features of Section 404 of the;Sarbanes-Oxley Act.;3.;Does a qualified opinion on management?s;assessment of internal controls over the financial reporting system necessitate;a qualified opinion on the financial statements? Explain.;4.;Discuss the appropriate steps to take when;selecting a commercial software package.;5. What;are network protocols? What functions do they perform?;6. What;is the fundamental concept behind the rule of least access? Explain why this is;a potential problem in an ERP environment.;7. Explain;a database lockout and the deadlock phenomenon. Contrast that to concurrency;control and the timestamping technique. Describe the importance of these items;in relation to database integrity.;8. Explain;how the one-time password approach works.


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